:root {
  --ink: #2b2b28;
  --muted: #6b6a63;
  --paper: #faf8f4;
  --card: #ffffff;
  --line: #e4e0d6;
  --accent: #6b7f5e;
  --accent-dark: #4f5f45;
  --max: 780px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  line-height: 1.65;
}

body {
  padding: 3rem 1.25rem 5rem;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
}

header.brand {
  text-align: center;
  margin-bottom: 2.5rem;
}

header.brand .logo-wrap {
  max-width: 320px;
  margin: 0 auto 0.5rem;
}

header.brand .logo-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

nav.top {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

nav.top a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

nav.top a.active {
  color: var(--accent-dark);
  border-bottom-color: var(--accent-dark);
}

nav.top a:hover {
  color: var(--accent-dark);
}

hr.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

h1.title {
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1.5rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--accent-dark);
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.5rem;
}

.meta-list {
  list-style: none;
  padding-left: 0;
}

.meta-list li {
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--line);
}

.meta-list li:last-child {
  border-bottom: none;
}

.meta-list strong {
  color: var(--accent-dark);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.75rem 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.apply-block {
  margin-top: 2.5rem;
  background: #f2f0e8;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.75rem 2rem;
}

.apply-block h2 {
  margin-top: 0;
}

.apply-block ol {
  padding-left: 1.4rem;
}

.apply-block li {
  margin-bottom: 0.6rem;
}

a.email {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
}

a.email:hover {
  text-decoration: underline;
}

.challenge-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  color: #fff;
  background: var(--accent-dark);
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  text-decoration: none;
}

.challenge-link:hover {
  background: var(--accent);
}

footer.site {
  text-align: center;
  margin-top: 3rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
}